/* ──────────────────────────────────────────
   Snackanimals × Roblox World — Proposal LP
   v1.0 / 2026-05-13
   Tone: Snackanimals 7 : Voxel Rangers 3
─────────────────────────────────────────── */

:root {
  --bg-base: #FAF6F0;
  --bg-soft: #F3ECE0;
  --bg-cta: #2A2622;
  --ink-primary: #2A2622;
  --ink-secondary: #7A6F65;
  --ink-tertiary: #A89E92;
  --accent-snack: #E89B6C;
  --accent-bloom: #C9A8D4;
  --accent-mood: #A8C5B8;
  --accent-mood-deep: #6B8C7E;
  --line-soft: #E3D9CB;
  --line-faint: #EFE7DA;

  --font-jp: 'Zen Kaku Gothic New', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-en: 'Fraunces', 'Instrument Serif', Georgia, serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

  --max-w: 820px;
  --section-py: 120px;
  --section-py-sp: 80px;

  --radius-soft: 20px;
  --radius-card: 16px;

  --duration-fast: 0.3s;
  --duration-mid: 0.6s;
  --ease-out: cubic-bezier(0.2, 0.7, 0.3, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-base);
  color: var(--ink-primary);
  font-family: var(--font-jp);
  font-size: 16px;
  line-height: 1.9;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: 0.02em;
}

img, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--ink-primary);
  text-decoration: none;
  transition: opacity var(--duration-fast) var(--ease-out);
}

a:hover {
  opacity: 0.6;
}

strong, b {
  font-weight: 500;
  color: var(--ink-primary);
}

/* ──────────── Auth Overlay ──────────── */
.auth-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-base);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  transition: opacity 0.5s var(--ease-out);
}

.auth-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.auth-box {
  text-align: center;
  max-width: 360px;
  width: 100%;
  padding: 48px 32px;
}

.auth-cat {
  font-size: 48px;
  margin-bottom: 28px;
  opacity: 0.5;
  animation: gentle-bob 5s ease-in-out infinite;
}

.auth-title {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 18px;
  color: var(--ink-primary);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
  font-weight: 400;
}

.auth-sub {
  font-size: 11px;
  color: var(--ink-secondary);
  letter-spacing: 0.2em;
  margin-bottom: 40px;
  text-transform: lowercase;
}

.auth-input {
  width: 100%;
  padding: 14px 20px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: var(--bg-soft);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink-primary);
  text-align: center;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.auth-input:focus {
  border-color: var(--accent-snack);
}

.auth-input::placeholder {
  color: var(--ink-tertiary);
  letter-spacing: 0.15em;
}

.auth-btn {
  width: 100%;
  padding: 14px;
  background: var(--ink-primary);
  color: var(--bg-base);
  border: none;
  border-radius: 999px;
  font-family: var(--font-jp);
  font-size: 13px;
  letter-spacing: 0.2em;
  cursor: pointer;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.auth-btn:hover {
  opacity: 0.85;
}

.auth-error {
  color: var(--accent-snack);
  font-size: 12px;
  margin-top: 16px;
  min-height: 18px;
  letter-spacing: 0.05em;
}

.auth-foot {
  margin-top: 48px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-tertiary);
  letter-spacing: 0.15em;
}

/* ──────────── Loader ──────────── */
.loader {
  position: fixed;
  inset: 0;
  background: var(--bg-base);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transition: opacity 0.8s var(--ease-out);
}

.loader.hidden {
  opacity: 0;
}

.loader-text {
  font-family: var(--font-jp);
  font-size: 14px;
  color: var(--ink-secondary);
  letter-spacing: 0.3em;
  animation: pulse 1.6s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ──────────── Scroll Progress ──────────── */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: var(--accent-snack);
  z-index: 100;
  transition: width 0.1s linear;
}

/* ──────────── Floating CTA ──────────── */
.floating-cta {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-cta);
  color: var(--bg-base);
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 0.08em;
  z-index: 50;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
  transform: translateY(20px);
  box-shadow: 0 8px 24px rgba(42, 38, 34, 0.15);
}

.floating-cta.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.floating-cta:hover {
  opacity: 0.85;
}

/* ──────────── Section base ──────────── */
.section {
  padding: var(--section-py) 24px;
  background: var(--bg-base);
}

.section-soft {
  background: var(--bg-soft);
}

.section-cta {
  background: var(--bg-cta);
  color: var(--bg-base);
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
}

.eyebrow {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 13px;
  color: var(--accent-snack);
  letter-spacing: 0.1em;
  margin-bottom: 24px;
  font-weight: 400;
}

.section-h2 {
  font-family: var(--font-jp);
  font-size: 30px;
  line-height: 1.6;
  font-weight: 500;
  color: var(--ink-primary);
  margin-bottom: 40px;
  letter-spacing: 0.02em;
}

.sub-h3 {
  font-family: var(--font-jp);
  font-size: 18px;
  font-weight: 500;
  color: var(--ink-primary);
  margin-top: 64px;
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}

.lead {
  font-size: 16px;
  line-height: 2.0;
  color: var(--ink-primary);
  margin-bottom: 24px;
}

.lead-sub {
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-secondary);
  margin-bottom: 40px;
}

.note-line {
  font-size: 13px;
  line-height: 1.9;
  color: var(--ink-secondary);
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px dotted var(--line-soft);
}

.note-margin {
  margin-top: 48px;
}

/* ──────────── Hero (S01) ──────────── */
.hero {
  min-height: 100vh;
  background: var(--bg-base);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  position: relative;
}

.hero-inner {
  text-align: center;
  max-width: 720px;
}

.hero-top {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 13px;
  color: var(--ink-secondary);
  letter-spacing: 0.15em;
  margin-bottom: 80px;
}

.hero-shape {
  display: flex;
  justify-content: center;
  margin-bottom: 60px;
}

.cat-shape {
  position: relative;
  width: 100px;
  height: 110px;
  animation: breathe 4s ease-in-out infinite;
}

@keyframes breathe {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-4px) scale(1.02); }
}

.cat-ear {
  position: absolute;
  top: 0;
  width: 0;
  height: 0;
  border-left: 12px solid transparent;
  border-right: 12px solid transparent;
  border-bottom: 22px solid var(--ink-secondary);
}

.cat-ear-l { left: 22px; transform: rotate(-15deg); }
.cat-ear-r { right: 22px; transform: rotate(15deg); }

.cat-head {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 56px;
  height: 50px;
  background: var(--ink-secondary);
  border-radius: 50% 50% 45% 45%;
}

.cat-head::before, .cat-head::after {
  content: '';
  position: absolute;
  top: 22px;
  width: 4px;
  height: 4px;
  background: var(--bg-base);
  border-radius: 50%;
}

.cat-head::before { left: 14px; }
.cat-head::after { right: 14px; }

.cat-body {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 48px;
  background: var(--ink-secondary);
  border-radius: 50% 50% 30% 30%;
}

.cat-tail {
  position: absolute;
  right: 10px;
  bottom: 18px;
  width: 28px;
  height: 4px;
  background: var(--ink-secondary);
  border-radius: 4px;
  transform: rotate(-20deg);
  transform-origin: left center;
}

.hero-h1 {
  font-family: var(--font-jp);
  font-size: 38px;
  line-height: 1.5;
  font-weight: 500;
  color: var(--ink-primary);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.hero-h1-en {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 17px;
  color: var(--ink-secondary);
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-bottom: 100px;
}

.hero-bottom {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-tertiary);
  letter-spacing: 0.15em;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 20px;
  opacity: 0.4;
  animation: hint-float 2.4s ease-in-out infinite;
}

@keyframes hint-float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ──────────── Step chain (S02) ──────────── */
.step-chain {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 8px;
  margin-top: 56px;
  flex-wrap: wrap;
}

.step-box {
  background: var(--bg-base);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-card);
  padding: 20px 16px;
  text-align: center;
  flex: 1;
  min-width: 130px;
}

.step-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-snack);
  letter-spacing: 0.15em;
  margin-bottom: 8px;
}

.step-title {
  font-family: var(--font-jp);
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 6px;
}

.step-detail {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-secondary);
  letter-spacing: 0.05em;
}

.step-arrow {
  display: flex;
  align-items: center;
  color: var(--ink-tertiary);
  font-size: 14px;
}

/* ──────────── Task grid (S03) ──────────── */
.task-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 40px;
}

.task-card {
  background: var(--bg-soft);
  border-radius: var(--radius-card);
  padding: 24px 20px;
}

.task-q {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-primary);
  margin-bottom: 12px;
  line-height: 1.7;
}

.task-a {
  font-size: 13px;
  color: var(--accent-snack);
  line-height: 1.7;
}

/* ──────────── Interlude ──────────── */
.interlude {
  background: var(--bg-soft);
  padding: 60px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 25vh;
}

.interlude-emoji {
  font-size: 48px;
  opacity: 0.5;
  animation: gentle-bob 5s ease-in-out infinite;
}

@keyframes gentle-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ──────────── Stats (S04) ──────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.stat-box {
  text-align: center;
  padding: 24px 12px;
  border-top: 1px dotted var(--line-soft);
}

.stat-num {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 36px;
  font-weight: 400;
  color: var(--accent-snack);
  line-height: 1;
  margin-bottom: 12px;
}

.stat-label {
  font-size: 12px;
  color: var(--ink-secondary);
  line-height: 1.6;
}

/* ──────────── Area grid (S05) ──────────── */
.area-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 40px;
}

.area-card {
  background: var(--bg-base);
  border-radius: var(--radius-card);
  padding: 20px 16px;
  position: relative;
  min-height: 130px;
  border: 1px solid var(--line-soft);
}

.area-name {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--ink-primary);
}

.area-desc {
  font-size: 11px;
  color: var(--ink-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
}

.area-phase {
  position: absolute;
  bottom: 12px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--ink-tertiary);
  letter-spacing: 0.1em;
}

.area-hub { border-top: 2px solid var(--accent-snack); }
.area-mood { border-top: 2px solid var(--accent-mood); }
.area-bloom { border-top: 2px solid var(--accent-bloom); }
.area-diners { border-top: 2px solid var(--accent-snack); }
.area-angel { border-top: 2px solid var(--accent-bloom); opacity: 0.7; }
.area-school { border-top: 2px solid var(--accent-mood-deep); opacity: 0.7; }
.area-babys { border-top: 2px solid var(--accent-bloom); opacity: 0.6; }
.area-room { border-top: 2px solid var(--ink-secondary); }

/* ──────────── Path cards (S06) ──────────── */
.path-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 56px;
}

.path-card {
  background: var(--bg-soft);
  border-radius: var(--radius-soft);
  padding: 36px 28px;
  position: relative;
}

.path-a { border-top: 3px solid var(--accent-snack); }
.path-b { border-top: 3px solid var(--accent-mood-deep); }

.path-mark {
  font-size: 28px;
  margin-bottom: 16px;
}

.path-title-en {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 16px;
  color: var(--ink-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}

.path-title {
  font-family: var(--font-jp);
  font-size: 22px;
  font-weight: 500;
  color: var(--ink-primary);
  margin-bottom: 28px;
  letter-spacing: 0.03em;
}

.path-block {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px dotted var(--line-soft);
}

.path-block:last-child {
  border-bottom: none;
}

.path-block-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent-snack);
  letter-spacing: 0.15em;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.path-b .path-block-label {
  color: var(--accent-mood-deep);
}

.path-block-body {
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-primary);
}

/* ──────────── Action grid (S07) ──────────── */
.action-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.action-card {
  background: var(--bg-base);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-card);
  padding: 24px 16px;
  text-align: center;
}

.action-num {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 24px;
  color: var(--accent-snack);
  margin-bottom: 12px;
}

.action-name {
  font-family: var(--font-jp);
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 8px;
}

.action-desc {
  font-size: 12px;
  color: var(--ink-secondary);
  line-height: 1.7;
}

/* ──────────── Loop list (S07) ──────────── */
.loop-list {
  margin-top: 32px;
}

.loop-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px dotted var(--line-soft);
  align-items: center;
}

.loop-row:last-child {
  border-bottom: none;
}

.loop-time {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 14px;
  color: var(--accent-snack);
  letter-spacing: 0.04em;
}

.loop-desc {
  font-size: 14px;
  line-height: 1.8;
}

/* ──────────── Nonverbal grid (S07) ──────────── */
.nonverbal-grid {
  display: grid;
  gap: 8px;
  margin-top: 24px;
}

.nv-item {
  background: var(--bg-base);
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  padding: 16px 20px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-secondary);
}

.nv-item.nv-strong {
  background: var(--bg-soft);
  border-color: var(--accent-snack);
}

.nv-mark {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent-snack);
  letter-spacing: 0.1em;
  margin-right: 12px;
  padding: 2px 8px;
  background: var(--bg-base);
  border-radius: 4px;
  text-transform: uppercase;
}

/* ──────────── Rule list (S08) ──────────── */
.rule-list {
  margin-top: 24px;
  list-style: none;
  counter-reset: rule;
}

.rule-list li {
  counter-increment: rule;
  position: relative;
  padding: 16px 0 16px 40px;
  font-size: 14px;
  line-height: 1.8;
  border-bottom: 1px dotted var(--line-soft);
  color: var(--ink-primary);
}

.rule-list li::before {
  content: counter(rule);
  position: absolute;
  left: 0;
  top: 16px;
  font-family: var(--font-en);
  font-style: italic;
  color: var(--accent-snack);
  font-size: 16px;
  width: 24px;
}

.rule-list li:last-child {
  border-bottom: none;
}

/* ──────────── Ops grid (S08) ──────────── */
.ops-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

.ops-item {
  background: var(--bg-soft);
  border-radius: var(--radius-card);
  padding: 24px 20px;
}

.ops-title {
  font-family: var(--font-jp);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--ink-primary);
}

.ops-desc {
  font-size: 12px;
  color: var(--ink-secondary);
  line-height: 1.7;
}

/* ──────────── Contract list (S09) ──────────── */
.contract-list {
  margin-top: 40px;
}

.contract-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 1px dotted var(--line-soft);
  align-items: start;
}

.contract-row:last-child {
  border-bottom: none;
}

.contract-step {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 16px;
  color: var(--accent-snack);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.contract-name {
  font-family: var(--font-jp);
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--ink-primary);
}

.contract-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-secondary);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.contract-detail {
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-secondary);
}

/* ──────────── Risk grid (S10) ──────────── */
.risk-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 40px;
}

.risk-item {
  background: var(--bg-base);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-card);
  padding: 20px;
}

.risk-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-primary);
  margin-bottom: 10px;
  line-height: 1.7;
}

.risk-mit {
  font-size: 12px;
  color: var(--accent-snack);
  line-height: 1.7;
}

/* ──────────── Honest box (S11) ──────────── */
.honest-box {
  background: var(--bg-base);
  border: 1px dashed var(--line-soft);
  border-radius: var(--radius-soft);
  padding: 36px 28px;
  margin-top: 24px;
  margin-bottom: 56px;
  text-align: center;
}

.honest-line {
  font-size: 18px;
  line-height: 1.8;
  color: var(--ink-primary);
  margin-bottom: 24px;
}

.honest-sub {
  font-size: 14px;
  line-height: 2;
  color: var(--ink-secondary);
}

/* ──────────── Proof grid (S11) ──────────── */
.proof-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

.proof-item {
  background: var(--bg-base);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-card);
  padding: 24px 20px;
}

.proof-title {
  font-family: var(--font-jp);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 10px;
  color: var(--ink-primary);
}

.proof-body {
  font-size: 12px;
  color: var(--ink-secondary);
  line-height: 1.8;
}

/* ──────────── CTA section (S12) ──────────── */
.section-cta {
  padding: 140px 24px;
}

.section-cta .eyebrow {
  color: var(--accent-snack);
}

.cta-h2 {
  color: var(--bg-base);
  font-size: 36px;
  text-align: center;
  letter-spacing: 0.04em;
}

.cta-sub-en {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 18px;
  color: var(--accent-snack);
  text-align: center;
  margin-bottom: 48px;
  letter-spacing: 0.05em;
}

.cta-lead {
  font-size: 15px;
  line-height: 2;
  color: var(--bg-soft);
  text-align: center;
  margin-bottom: 56px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-lead strong {
  color: var(--bg-base);
}

.cta-list {
  max-width: 480px;
  margin: 0 auto 56px;
}

.cta-item {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px dotted rgba(250, 246, 240, 0.15);
  align-items: center;
}

.cta-item:last-child {
  border-bottom: none;
}

.cta-num {
  font-family: var(--font-en);
  font-style: italic;
  color: var(--accent-snack);
  font-size: 16px;
}

.cta-text {
  font-size: 13px;
  color: var(--bg-soft);
  line-height: 1.7;
}

.cta-button {
  display: block;
  width: max-content;
  margin: 0 auto;
  background: var(--accent-snack);
  color: var(--bg-cta);
  padding: 18px 40px;
  border-radius: 999px;
  font-family: var(--font-jp);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.08em;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.cta-button:hover {
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(232, 155, 108, 0.3);
}

.cta-note {
  font-size: 12px;
  color: var(--ink-tertiary);
  text-align: center;
  margin-top: 32px;
  line-height: 1.8;
}

/* ──────────── Closing block (estimate末尾) ──────────── */
.closing-block {
  margin-top: 80px;
  padding-top: 56px;
  border-top: 1px dotted var(--line-soft);
  text-align: center;
}

.closing-line {
  font-family: var(--font-jp);
  font-size: 22px;
  font-weight: 500;
  color: var(--ink-primary);
  line-height: 1.7;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.closing-line-en {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 16px;
  color: var(--accent-snack);
  letter-spacing: 0.05em;
  margin-bottom: 32px;
}

.closing-sub {
  font-size: 13px;
  line-height: 2;
  color: var(--ink-secondary);
  max-width: 480px;
  margin: 0 auto;
}

@media (max-width: 640px) {
  .closing-line {
    font-size: 18px;
  }
  .closing-line-en {
    font-size: 14px;
  }
}

/* ──────────── Footer ──────────── */
.footer {
  background: var(--bg-base);
  padding: 60px 24px 40px;
  border-top: 1px solid var(--line-soft);
}

.footer .container {
  text-align: center;
}

.footer-top {
  margin-bottom: 24px;
}

.footer-brand {
  font-family: var(--font-en);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
  color: var(--ink-primary);
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-tertiary);
  letter-spacing: 0.15em;
}

.footer-links {
  margin-bottom: 32px;
}

.footer-links a {
  font-size: 12px;
  color: var(--ink-secondary);
  letter-spacing: 0.1em;
}

.footer-bottom {
  display: flex;
  justify-content: center;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-tertiary);
  letter-spacing: 0.1em;
}

/* ──────────── Reveal animation ──────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ──────────── Responsive (Tablet) ──────────── */
@media (max-width: 900px) {
  .stat-grid {
    grid-template-columns: 1fr 1fr;
  }

  .area-grid {
    grid-template-columns: 1fr 1fr;
  }

  .action-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ──────────── Responsive (Mobile) ──────────── */
@media (max-width: 640px) {
  :root {
    --section-py: 80px;
  }

  body {
    font-size: 15px;
  }

  .section {
    padding: var(--section-py) 20px;
  }

  .hero-h1 {
    font-size: 28px;
  }

  .hero-h1-en {
    font-size: 14px;
    margin-bottom: 60px;
  }

  .hero-top {
    margin-bottom: 48px;
  }

  .section-h2 {
    font-size: 24px;
    margin-bottom: 32px;
  }

  .sub-h3 {
    font-size: 16px;
    margin-top: 48px;
  }

  .lead {
    font-size: 15px;
  }

  /* Step chain mobile */
  .step-chain {
    flex-direction: column;
    gap: 12px;
  }

  .step-arrow {
    transform: rotate(90deg);
    justify-content: center;
  }

  /* Task grid */
  .task-grid {
    grid-template-columns: 1fr;
  }

  /* Stats */
  .stat-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .stat-num {
    font-size: 28px;
  }

  /* Areas */
  .area-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* Path cards */
  .path-pair {
    grid-template-columns: 1fr;
  }

  .path-card {
    padding: 28px 20px;
  }

  .path-title {
    font-size: 20px;
  }

  /* Actions */
  .action-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* Loop list */
  .loop-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  /* Ops */
  .ops-grid {
    grid-template-columns: 1fr;
  }

  /* Contract */
  .contract-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* Risk */
  .risk-grid {
    grid-template-columns: 1fr;
  }

  /* Proof */
  .proof-grid {
    grid-template-columns: 1fr;
  }

  /* CTA */
  .cta-h2 {
    font-size: 26px;
  }

  .cta-sub-en {
    font-size: 16px;
    margin-bottom: 36px;
  }

  .section-cta {
    padding: 100px 20px;
  }

  /* Floating CTA */
  .floating-cta {
    bottom: 16px;
    right: 16px;
    padding: 10px 16px;
    font-size: 12px;
  }

  /* Honest box */
  .honest-box {
    padding: 28px 20px;
  }

  .honest-line {
    font-size: 16px;
  }
}